Production-like native article landing page

adk.config()

    .addTemplate('com.advisible.native.article', adk.template.config()
        .url('article.html'))

    .addContainer('native-article', adk.container.config()
        .provider('adk.native.article')
        .params({
            itemId: function () {
                return window.location.pathname.split('/')[3]
            },
            afterLoad: function ({ err, item, elem }) {
                if (!err && item) {
                    adk.container.attach(elem)
                    item && (window.document.title = item.headline)
                } else {
                    fetch('/404.html')
                        .then(response => response.text())
                        .then(content => document.body.innerHTML = content)
                }
            },
        }))

    .addContainer('native-marking', adk.container.config()
        .fullWidth()
        .sticky()
        .provider(function({ elem }) {
            elem.innerHTML = '<div class="native-article-marking">SPONSORED CONTENT</div>'
        }))

    .apply()
    .init(advisibleID)

<div class="native-article">
    <div data-adk-container="native-marking"></div>
    <img class="native-article-image" alt="%headline%" %srcAttrs% />
    <div class="native-article-text">
        <div class="native-article-advertiser">%advertiser%</div>
        <div class="native-article-headline">%headline%</div>
        <div class="native-article-lead">%lead%</div>
        <div class="native-article-body">%body%</div>
    </div>
</div>